I use a Ultimate Support IQ-2000. The On-Stage Stands Universal Keyboard Mic Attachment Bar KSA7575 works for me. Then I just picked a boom that worked for me. I liked it so much, I added it to a second IQ-2000. Works for me.

http://www.sweetwater.com/store/detail/BoomMount/
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~Johnathan
"The Shueys"
www.shueymusic.com
Yamaha Genos - RCF M20x - RCF HD10A (Stereo) - Jupiter Pocket Trumpet - Sennheiser e935 - Neumann KMS-104 plus-N